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US 2009/0151843 A1Published application
Pneumatic tire with increased lower sidewall durability
AssigneeThe Goodyear Tire & Rubber Company
InventorRoel Domingo Villanueva
Life of this patent
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Abstract
A pneumatic tire may use a combination of high modulus and low modulus plies to provide increased fatigue compression durability without significantly increasing the weight of the tire.
Claims20
A pneumatic tire comprising:
- a sidewall structure portion;
- a tread structure portion;
- a belt structure portion;
- and,
- a carcass structure portion comprising:
- a bead core;
- an apex;
- and, a carcass reinforcement portion comprising:
- a first, a second, a third, and a fourth high modulus up ply;
- a first and a second high modulus down ply;
- and,
- a first and a second low modulus chipper,
- wherein the second low modulus chipper is axially outward from the second high modulus down ply and the first low modulus chipper is axially inward from the second high modulus down ply and axially outward from the first high modulus down ply.
10 more elements
A pneumatic tire comprising:
- a sidewall structure portion;
- a tread structure portion;
- and
- a carcass structure portion comprising a first high modulus up ply, a first high modulus down ply and a first low modulus chipper.
1 more element
A method of constructing a pneumatic tire including the steps of:
- (a) applying an inner-liner;
- (b) applying a carcass structure, wherein the carcass structure comprises a carcass reinforcement portion that comprises a first high modulus up ply, a first high modulus down ply, and a first low modulus chipper;
- (c) applying a belt package;
- and,
- (d) applying a tread structure.
2 more elements
Dependencies are inferred from the claim text.